{"id":947,"date":"2018-09-24T11:25:21","date_gmt":"2018-09-24T10:25:21","guid":{"rendered":"https:\/\/www.nanoworld.com\/blog\/?p=947"},"modified":"2023-04-18T12:59:41","modified_gmt":"2023-04-18T11:59:41","slug":"boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit","status":"publish","type":"post","link":"https:\/\/www.nanoworld.com\/blog\/boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit\/","title":{"rendered":"Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit"},"content":{"rendered":"<p>In the article &#8220;Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit&#8221; the authors use, for the first time, phonon-polariton-resonant h-BN ribbons for SEIRA spectroscopy of small amounts of organic molecules in Fourier transform infrared spectroscopy. They demonstrate a new way to strongly couple infrared light and molecular vibrations, by utilizing phonon polariton nanoresonators made of hexagonal boron nitride, a Van der Waals material.<\/p>\n<p>For the nanoscale Fourier transform infrared (nano-FTIR) spectroscopy mentioned in this article an oscillating Pt\/Ir coated NanoWorld <a href=\"https:\/\/www.nanoworld.com\/tapping-mode-platinum-coated-afm-tip-arrow-ncpt\">Arrow-NCPt<\/a> AFM probe was illuminated by p-polarized mid-IR broadband radiation.<\/p>\n<figure id=\"attachment_955\" aria-describedby=\"caption-attachment-955\" style=\"width: 419px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/dhipgo7nn2tea.cloudfront.net\/wp-content\/uploads\/2018\/09\/24110501\/Figure-2-from-Boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-955\" src=\"https:\/\/dhipgo7nn2tea.cloudfront.net\/wp-content\/uploads\/2018\/09\/24110501\/Figure-2-from-Boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit.jpg\" alt=\"Figure 2 from &quot;Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit&quot;: Far- and near-field spectroscopic characterization of h-BN ribbon arrays. (a) Sketch of the transmission spectroscopy experiment. Incoming light at normal incidence is polarized perpendicular to the ribbons to excite the HPhP resonance. (b) Transmission spectrum normalized to the bare substrate spectrum, T\/T0, for a 20 \u00d7 20\u2009\u03bcm2 h-BN ribbon array. Ribbon width w=158\u2009nm, ribbon period D=400\u2009nm and ribbon height h=40\u2009nm. (c) Sketch of the nano-FTIR spectroscopy experiment. The near-field probing tip is scanned across (y-direction) the h-BN ribbon in 20-nm steps, as indicated by the dashed blue line. Near-field spectra are recorded as a function of the tip position (the detector signal is demodulated at the third harmonic of the tip tapping frequency, yielding s3(y, \u03c9), as explained in the Materials and methods section). (d) Lower panel: Spectral line scan s3(y, \u03c9), where each horizontal line corresponds to a spectrum recorded at a fixed y-position (vertical axis). Upper panel: Illustration of the real part of the z-component of the electric field (Re[Ez]) profile across the ribbon at the resonance frequency observed in the nano-FTIR spectra (lower panel). The AFM tip used was a NanoWorld Arrow-NCPT\" width=\"419\" height=\"421\" data-wp-pid=\"955\" srcset=\"https:\/\/dhipgo7nn2tea.cloudfront.net\/wp-content\/uploads\/2018\/09\/24110501\/Figure-2-from-Boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit.jpg 419w, https:\/\/dhipgo7nn2tea.cloudfront.net\/wp-content\/uploads\/2018\/09\/24110501\/Figure-2-from-Boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit-150x150.jpg 150w, https:\/\/dhipgo7nn2tea.cloudfront.net\/wp-content\/uploads\/2018\/09\/24110501\/Figure-2-from-Boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit-300x300.jpg 300w, https:\/\/dhipgo7nn2tea.cloudfront.net\/wp-content\/uploads\/2018\/09\/24110501\/Figure-2-from-Boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit-627x630.jpg 627w, https:\/\/dhipgo7nn2tea.cloudfront.net\/wp-content\/uploads\/2018\/09\/24110501\/Figure-2-from-Boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit-624x627.jpg 624w\" sizes=\"auto, (max-width: 419px) 100vw, 419px\" \/><\/a><figcaption id=\"caption-attachment-955\" class=\"wp-caption-text\">Figure 2 from &#8220;Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit&#8221;: Far- and near-field spectroscopic characterization of h-BN ribbon arrays. (a) Sketch of the transmission spectroscopy experiment. Incoming light at normal incidence is polarized perpendicular to the ribbons to excite the HPhP resonance. (b) Transmission spectrum normalized to the bare substrate spectrum, T\/T0, for a 20 \u00d7 20\u2009\u03bcm2 h-BN ribbon array. Ribbon width w=158\u2009nm, ribbon period D=400\u2009nm and ribbon height h=40\u2009nm. (c) Sketch of the nano-FTIR spectroscopy experiment. The near-field probing tip is scanned across (y-direction) the h-BN ribbon in 20-nm steps, as indicated by the dashed blue line. Near-field spectra are recorded as a function of the tip position (the detector signal is demodulated at the third harmonic of the tip tapping frequency, yielding s3(y, \u03c9), as explained in the Materials and methods section). (d) Lower panel: Spectral line scan s3(y, \u03c9), where each horizontal line corresponds to a spectrum recorded at a fixed y-position (vertical axis). Upper panel: Illustration of the real part of the z-component of the electric field (Re[Ez]) profile across the ribbon at the resonance frequency observed in the nano-FTIR spectra (lower panel).<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Marta Autore, Peining Li, Irene Dolado, Francisco J Alfaro-Mozaz, Ruben Esteban, Ainhoa Atxabal, F\u00e8lix Casanova, Luis E Hueso, Pablo Alonso-Gonz\u00e1lez, Javier Aizpurua, Alexey Y Nikitin, Sa\u00fcl V\u00e9lez &amp; Rainer Hillenbrand<br \/>\n<strong>Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit<\/strong><br \/>\n<i>Light: Science &amp; Applications<\/i> <span class=\"visually-hidden\">volume <\/span>7, <span class=\"visually-hidden\">page <\/span>17172 (2018)<br \/>\n<abbr title=\"Digital Object Identifier\">DOI: <\/abbr><a href=\"https:\/\/doi.org\/10.1038\/lsa.2017.172\" data-track-label=\"link\" data-track-category=\"article body\" data-track-action=\"view doi\" data-track=\"click\">https:\/\/doi.org\/10.1038\/lsa.2017.172<\/a><\/p>\n<p>For the full article please follow this external link: <a href=\"https:\/\/rdcu.be\/7B0F\">https:\/\/rdcu.be\/7B0F<\/a><\/p>\n<p>The article:\u00a0<a href=\"https:\/\/www.nature.com\/articles\/lsa2017172\"><strong>Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit<\/strong> by Marta Autore et. al<\/a>, is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article\u2019s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit <a href=\"http:\/\/creativecommons.org\/licenses\/by\/4.0\/\">http:\/\/creativecommons.org\/licenses\/by\/4.0\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the article &#8220;Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit&#8221; the authors use, for the first time, phonon-polariton-resonant h-BN ribbons for SEIRA spectroscopy of small amounts of organic molecules in Fourier transform infrared spectroscopy. They demonstrate a new way to strongly couple infrared light and molecular vibrations, by utilizing &hellip; <a href=\"https:\/\/www.nanoworld.com\/blog\/boron-nitride-nanoresonators-for-phonon-enhanced-molecular-vibrational-spectroscopy-at-the-strong-coupling-limit\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\" >Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[8,18,98,17,99,104,100,101,102,103],"class_list":["post-947","post","type-post","status-publish","format-standard","hentry","category-news","tag-afm-probe","tag-arrow-afm-tip","tag-arrow-ncpt","tag-atomic-force-microscopy","tag-infrared-spectroscopy","tag-ir-spectroscopy","tag-metamaterials","tag-microresonators","tag-nanophotonics-and-plasmonics","tag-optical-sensors"],"_links":{"self":[{"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/posts\/947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/comments?post=947"}],"version-history":[{"count":11,"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/posts\/947\/revisions"}],"predecessor-version":[{"id":959,"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/posts\/947\/revisions\/959"}],"wp:attachment":[{"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/media?parent=947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/categories?post=947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nanoworld.com\/blog\/wp-json\/wp\/v2\/tags?post=947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}